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633GC OPERATOR’S MANUAL
11
P/N 70944 Jan 07 © 2007 ICS, Blount Inc.
SET-UP
Note 1: Be aware that the guide bar rails may develop sharp edges over time so always pull the
diamond chain by the diamond segments.
Note 2: Do not “over tension” the diamond chain. Loss of power will result. It is normal for the
drivelinks to hang underneath the guide bar. The diamond chain should be tight but be able to be
pulled around the guide bar by hand.
Note 3: To prevent chain tensioner breakage, be sure the side cover nuts are tightened to
approximately 20 ft-lbs (27Nm).
GUIDE BAR AND DIAMOND CHAIN INSTALLATION
STEP 9
Continue to lift up on the nose of the guide
bar and firmly tighten the side cover nuts.
NOTE: To prevent chain tensioner
breakage, be sure the side cover nuts
are tightened to approximately 20 ft-lbs
(27 Nm).
STEP 10
Attach to water source with pressure of not
less than 20 psi (1.4 bar).